Question

Find the value of k for which each of the following systems of linear equations has an infinite number of solutions:​

Answer 1

15) The given system of equations:

2x + 3y = 7

= 2x + 3y - 7 =0 ......(1)

And ,(k -1)x + ( k + 2y)y = 3k

(k - 1)x +( k+2y)y - 3k =0.......(2)

These equations are for the following forms:

a1x + b1y +c1= 0,a2x+b2y +c2=0.......................by doing these equations u can solve may u now.................... ............. .... ................. .......... ... .......... ....... ...........................

=7k - 7= 6k =k =7

Hence,the given system of equations has an infinite number of solutions when k is equal to 7.

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